Home / 137,477.40-206,231.68-123,350.64

Finding the Fourth Proportional to 137,477.40, 206,231.68 and 123,350.64

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Solution

The fourth proportional to 137,477.40, 206,231.68 and 123,350.64 is: 185,039.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,477.40 : 206,231.68 = 123,350.64 : x
  2. Step 2: Convert to fraction form
    137,477.40/206,231.68 = 123,350.64/x
  3. Step 3: Cross multiply
    137,477.40x = 206,231.68 × 123,350.64
  4. Step 4: Simplify right side
    137,477.40x = 25,438,808,068.36
  5. Step 5: Solve for x
    x = 25,438,808,068.36/137,477.40
  6. Step 6: Final answer
    x = 185,039.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.